Home / 5,695.05-8,540.13-1,799.76

Finding the Fourth Proportional to 5,695.05, 8,540.13 and 1,799.76

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Solution

The fourth proportional to 5,695.05, 8,540.13 and 1,799.76 is: 2,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.05 : 8,540.13 = 1,799.76 : x
  2. Step 2: Convert to fraction form
    5,695.05/8,540.13 = 1,799.76/x
  3. Step 3: Cross multiply
    5,695.05x = 8,540.13 × 1,799.76
  4. Step 4: Simplify right side
    5,695.05x = 15,370,184.37
  5. Step 5: Solve for x
    x = 15,370,184.37/5,695.05
  6. Step 6: Final answer
    x = 2,698.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.